1 |
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2 |
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3 | 'use strict';
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4 |
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5 | const isStandardSyntaxRule = require('../../utils/isStandardSyntaxRule');
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6 | const isStandardSyntaxSelector = require('../../utils/isStandardSyntaxSelector');
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7 | const keywordSets = require('../../reference/keywordSets');
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8 | const report = require('../../utils/report');
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9 | const ruleMessages = require('../../utils/ruleMessages');
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10 | const transformSelector = require('../../utils/transformSelector');
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11 | const validateOptions = require('../../utils/validateOptions');
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12 |
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13 | const ruleName = 'selector-pseudo-element-case';
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14 |
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15 | const messages = ruleMessages(ruleName, {
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16 | expected: (actual, expected) => `Expected "${actual}" to be "${expected}"`,
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17 | });
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18 |
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19 | function rule(expectation, options, context) {
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20 | return (root, result) => {
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21 | const validOptions = validateOptions(result, ruleName, {
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22 | actual: expectation,
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23 | possible: ['lower', 'upper'],
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24 | });
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25 |
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26 | if (!validOptions) {
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27 | return;
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28 | }
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29 |
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30 | root.walkRules((rule) => {
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31 | if (!isStandardSyntaxRule(rule)) {
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32 | return;
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33 | }
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34 |
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35 | const selector = rule.selector;
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36 |
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37 | if (!selector.includes(':')) {
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38 | return;
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39 | }
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40 |
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41 | transformSelector(result, rule, (selectorTree) => {
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42 | selectorTree.walkPseudos((pseudoNode) => {
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43 | const pseudoElement = pseudoNode.value;
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44 |
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45 | if (!isStandardSyntaxSelector(pseudoElement)) {
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46 | return;
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47 | }
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48 |
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49 | if (
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50 | !pseudoElement.includes('::') &&
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51 | !keywordSets.levelOneAndTwoPseudoElements.has(pseudoElement.toLowerCase().slice(1))
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52 | ) {
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53 | return;
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54 | }
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55 |
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56 | const expectedPseudoElement =
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57 | expectation === 'lower' ? pseudoElement.toLowerCase() : pseudoElement.toUpperCase();
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58 |
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59 | if (pseudoElement === expectedPseudoElement) {
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60 | return;
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61 | }
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62 |
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63 | if (context.fix) {
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64 | pseudoNode.value = expectedPseudoElement;
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65 |
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66 | return;
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67 | }
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68 |
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69 | report({
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70 | message: messages.expected(pseudoElement, expectedPseudoElement),
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71 | node: rule,
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72 | index: pseudoNode.sourceIndex,
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73 | ruleName,
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74 | result,
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75 | });
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76 | });
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77 | });
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78 | });
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79 | };
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80 | }
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81 |
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82 | rule.ruleName = ruleName;
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83 | rule.messages = messages;
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84 | module.exports = rule;
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